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人反对'"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-126001.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=126001&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-126001.html">bluelgd</a> </span> </div> <div class="date"><span>发布时间:</span> 2011-4-24 09:56</div> <div class="album_info"> <h3>正文摘要: </h3> <p>大家好，我是新手，刚进入这行的，问几个低级问题，大家别见笑，希望各位多多指教 我们做的是兼容思科的光电模块，报价单上写着不同的模块有的有DOM有的没有，我想问一下这个DOM是什么意思？ 还有一个问题就是我 ...</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_836030" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-129558.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=129558&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-129558.html" target="_blank" class="xi2">刺_客</a><em id="author_836030"> 发表于</em> <span class="xg1 xw0">2011-7-12 09:10:39</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_836030"> <img src="static/image/smiley/Tiger/07.gif" smilieid="145" border="0" alt="" /></td></tr></table> </div> <div id="comment_836030" class="cm"> </div> <div id="post_rate_div_836030"></div> </div> </dd> </dl> </div> <div id="post_781854" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-126001.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=126001&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-126001.html" target="_blank" class="xi2">bluelgd</a><em id="author_781854"> 发表于</em> <span class="xg1 xw0">2011-4-29 21:10:06</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_781854"> 大哥还有你说了：SFP收发器也提供铜缆接口。可是这个SFP里面是光发射和接收器件啊，发射的是光啊？这怎么能用铜线接口呢？难道有别的电波器件吗</td></tr></table> </div> <div id="comment_781854" class="cm"> </div> <div id="post_rate_div_781854"></div> </div> </dd> </dl> </div> <div id="post_781853" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-126001.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=126001&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-126001.html" target="_blank" class="xi2">bluelgd</a><em id="author_781853"> 发表于</em> <span class="xg1 xw0">2011-4-29 21:07:11</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_781853"> <i class="pstatus"> 本帖最后由 bluelgd 于 2011-4-29 21:07 编辑 </i><br /> <br /> <strong>回复 <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=781776&ptid=144939" target="_blank"><font color="Olive">liluplanet</font> 的帖子</a></strong><br /> <br /> 大哥，谢谢你的回复，我们做的模块是光发射接收一体模块，兼具发射和接受功能，还有单纤双向的BIDI，那个图片上连接线的的两端那东西就是两个收发接受一体模块，SFP<br /> <br /> 我之前的理解是SFP都是一端插进交换机里面 另一端LC/SC接口连接光纤，（SFP里面的LD是发射不同波段光波的）但图片这个连接线的却是铜的双绞线，<br /> 模块转换出来的是电波？？ 如果问的问题很低级了，麻烦你见谅，因为我的却是刚入这行，谢谢你的回复，真的感谢</td></tr></table> </div> <div id="comment_781853" class="cm"> </div> <div id="post_rate_div_781853"></div> </div> </dd> </dl> </div> <div id="post_781776" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107795.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107795&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107795.html" target="_blank" class="xi2">liluplanet</a><em id="author_781776"> 发表于</em> <span class="xg1 xw0">2011-4-29 16:19:55</span> </dt> <dd class="z"><div class="pcb"> <div class="locked">提示: <em>作者被禁止或删除 内容自动屏蔽</em></div> </div> </dd> </dl> </div> <div id="post_781773" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107795.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107795&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107795.html" target="_blank" class="xi2">liluplanet</a><em id="author_781773"> 发表于</em> <span class="xg1 xw0">2011-4-29 16:18:07</span> </dt> <dd class="z"><div class="pcb"> <div class="locked">提示: <em>作者被禁止或删除 内容自动屏蔽</em></div> </div> </dd> </dl> </div> <div id="post_779371" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-107795.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=107795&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-107795.html" target="_blank" class="xi2">liluplanet</a><em id="author_779371"> 发表于</em> <span class="xg1 xw0">2011-4-26 13:19:45</span> </dt> <dd class="z"><div class="pcb"> <div class="locked">提示: <em>作者被禁止或删除 内容自动屏蔽</em></div> </div> </dd> </dl> </div> <div id="post_778803" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-126001.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=126001&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-126001.html" target="_blank" class="xi2">bluelgd</a><em id="author_778803"> 发表于</em> <span class="xg1 xw0">2011-4-25 13:38:51</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_778803"> why there is no 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